Author: Carlos Rodriguez Iturria

I am extremely passionate about people, technology and the most effective ways to connect the two by sharing my knowledge and experience.
Working collaboratively with customers and partners inspires and excites me, especially when the outcome is noticeable valuable to a business and results in true innovation. I enjoy learning and teaching, as I recognise that this is a critical aspect of remaining at the forefront of technology in the modern era.
Over the past 10+ years, I have developed and defined solutions that are reliable, secure and scalable, working closely with a diverse range of stakeholders. I enjoy leading engagements and am very active in the technical communities – both internal and external. I have stood out as a noticeable mentor running technology events across major cities in Australia and New Zealand, including various technology areas such as, Enterprise Integrations, API Management, Cloud Integration, IaaS and PaaS adoption, DevOps, Continuous Integration, Continuous Automation among others.
In recent years, I have shaped my role and directed my capabilities towards educating and architecting benefits for customers using Oracle and AWS Cloud technologies. I get especially excited when I am able to position both as a way to exceed my customers’ expectations.
I hold a bachelor degree in Computer Science and certifications in Oracle and AWS Solutions Architecture.

Testing BookInfo app with Circuit Breaker based policy

The third and last test in the Service Mesh, is using a Circuit Breaker based pattern. It further protects our microservices in case of certain conditions occur, such as preventing that an unexpected number of requests overflow and affect the microservices in the service mesh.

We might decide to throttle or simply reject new incoming requests when a number of current incoming http requests reaches certain threshold.

For demonstration purposes, we are going to set rules to allow a maximum of 1 request at a time. If more than 1 request comes in, we will prevent it from entering the mesh.

Welcome to the Cloud Native App Dev Series. We built and constantly maintain this space to help others get up to speed with Cloud Native App Dev technologies and discover the power of Autonomous Cloud Services.

Kubernetes:

Containers 101: Learn how to containerise and ship your applications to Kubernetes using Docker

Kubernetes 101: Get familiar with Kubernetes architecture and components.

*Special thanks to Cameron Senese for being a great mentor and a Cloud warrior, helping us demystify the exciting world of Kubernetes and Microservices… As we keep demystifying technologies and patterns, we are going to keep adding interesting topics, so you better stay tuned!

In this Lab, we will show how to manage a more complex Microservices-based application based on an E-Commerce Socks-shop App (also see here). Similarly, as with the Simpler Cheeses App, we are going to use Weave Scope to gather real-time insight into this more complex application.

This is an e-commerce application that sells socks on web. However, we chose this application because it is not any different to any modern Application. That is, it is based on multiple microservices, where each one use different technologies as programming languages/frameworks, as well as persistent back stores or databases.

In this Lab, we will show how to deploy microservices-based Applications into Kubernetes cluster. Then we are going to use an Open Source framework called Weave Scope, to gather in real-time runtime insight into it. We will finish by learning a few tricks to easily manage your microservices.

The Application that we are going to deploy is based on “Cheeses“. It is made of 3 microservices (3 types of cheeses) that when invoked via an API, they simply return their own name (i.e. cheddar, stilton, or wensleydale).

In this blog, you will get familiar with the Kubernetes Cluster UI Dashboard and with the various components that are pre-deployed in your sandbox environment.

Kubernetes Dashboard UI is a web-based interface that lets you visually see all the different components of the Kubernetes cluster, as well as to deploy and manage Applications via Containers running on Pods. It also provides ability to overview the health of the various components and troubleshoot your various components specifications.

The Kubernetes Dashboard UI comes with a vertical menu. Let’s review the main sections in this menu:

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